CN114576579A

CN114576579A - Projecting lamp

Info

Publication number: CN114576579A
Application number: CN202210234612.1A
Authority: CN
Inventors: 许龙才
Original assignee: Tuoke Guangzhou Life Technology Co ltd
Current assignee: Tuoke Guangzhou Life Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-03-08
Publication date: 2022-06-03

Abstract

The invention discloses a projection lamp, comprising: a base; a drive assembly mounted to the base; the corrugated reflection assembly comprises a corrugated sheet and a reflection film plated on the surface of the corrugated sheet, the surface of the reflection film forms an uneven reflection surface, and the driving assembly drives the corrugated reflection assembly to rotate; the first condenser lens is positioned on one side of the corrugated reflection assembly and is obliquely arranged; the light source assembly faces the reflecting surface to irradiate, light rays directly penetrate through the first condensing lens after being reflected by the reflecting surface, the light rays directly penetrate through the convex lens after being reflected by the reflecting surface to form a cloud projection effect, the structure is simple, the cost is low, and the use requirement is met.

Description

Projecting lamp

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of projection lamps, in particular to a projection lamp forming a cloud effect.

[ background of the invention ]

An existing projector includes a first motor, a fixed cylinder fixed to the first motor, an interference plate installed on the fixed cylinder, a reflector located on the other side of the interference plate, and a light velocity generator located on one side of the interference plate. The interference piece is fixed at the opening at one end of the fixed cylinder, the reflector is located between the interference piece and the bottom plate of the fixed cylinder, the power output shaft of the first motor is connected with the bottom plate of the groove, and the interference piece and the reflector are driven to rotate through the rotation of the fixed cylinder when the first motor rotates. Or the interference sheet is directly fixed on the power output shaft, the reflector moves, but additional structure is needed to fix the reflector. The light beam generated by the light beam generator irradiates on one side surface of the interference sheet along an incident light path, after the interference sheet is irradiated by the light beam, light rays in the light beam are reflected or refracted under the action of the interference sheet and the reflector, and then reflected and refracted once or reflected and refracted again for multiple times and then pass through the interference sheet; at least one first lens; and the light beams emitted from the interference sheet form moving star-cloud layered projection after passing through at least one first lens.

In the projection lamp, the fixed cylinder is fixed on the power output shaft, the interference piece and the reflector are fixed on the fixed cylinder, or the interference piece is directly fixed on the power output shaft, and a structure is additionally added to fix the reflector, so that the structure is complex and the cost is high.

[ summary of the invention ]

In view of the problems encountered in the background art, the present invention provides a projection lamp, in which light emitted from a light source assembly is reflected by a reflective film and then passes through a first condenser lens.

In order to achieve the purpose, the invention adopts the following technical means:

a projector lamp, comprising: a base; a drive assembly mounted to the base; the corrugated reflection assembly comprises a corrugated sheet and a reflection film plated on the surface of the corrugated sheet, the surface of the reflection film forms an uneven reflection surface, and the driving assembly drives the corrugated reflection assembly to rotate; the first condenser lens is positioned on one side of the corrugated reflection assembly and is obliquely arranged; and the light source assembly irradiates towards the reflecting surface, and light rays directly pass through the first condensing lens after being reflected by the reflecting surface.

Further, the reflection film is a metal layer or a non-metal layer plated on the surface of the main body.

Furthermore, the surface of the corrugated sheet forms an uneven fine grain structure, and the height of the fine grain protrusion is larger than the thickness of the reflecting film.

Further, the electroplating material is pasted on the uneven fine grain structure to form the reflecting film.

Further, the projector lamp of claim 1, wherein: the included angle between the incident light of the light source component and the emergent light reflected by the reflecting surface is 30-50 degrees.

Further, the light source subassembly includes the lamp plate, is fixed in the lamp pearl of lamp plate and cover are located the first collector lens in the lamp pearl outside, first collector lens includes and keeps away from its bottom surface orientation the direction of lamp pearl is concave to be established and is formed the cavity, the protruding income of lamp pearl the cavity.

Further, the projector lamp further comprises a base, the base comprises a fixing portion, a clamping plate and an accommodating space formed between the fixing portion and the clamping plate, and the positioning portion of the first condensing lens is accommodated in the accommodating space.

Further, the light source subassembly still includes the lamp plate and is fixed in the lamp pearl of lamp plate, the lamp plate includes the connecting plate and connects the hang plate of connecting plate, the lamp pearl is fixed in the hang plate, the axis of hang plate with contained angle between the axis of plane of reflection is less than 90.

Furthermore, the projection lamp also comprises a projection assembly, the projection assembly comprises a lamp body and a diffraction grating piece positioned above the lamp body, and one light spot projected by the lamp body is diffracted by the diffraction grating piece to form a plurality of light spots.

A method of forming a cloud effect for a projector lamp, comprising the steps of: step 1: providing a corrugated sheet including a corrugated structure having irregularities forming a surface thereof; step 2: plating a layer of reflecting film on the rugged surface of the corrugated sheet, wherein the surface of the reflecting film forms a reflecting surface with a corrugated structure; and step 3: the forming driving assembly drives the corrugated reflection assembly to rotate; and 4, step 4: a first formed condenser lens mounted on one side of the reflecting surface; and 5: and the molding light source assembly faces the reflecting surface and is obliquely arranged, and light emitted by the light source assembly directly passes through the first condensing lens after being reflected by the reflecting surface to form a cloud projection effect.

Further, the plated material spreads along the uneven surface of the corrugated sheet to form the reflection film.

Compared with the prior art, the projection lamp has the following beneficial effects:

the light source assembly is driven by the driving assembly to rotate, light irradiated by the reflecting surface passes through the reflecting surface and then directly passes through the first condensing lens after being reflected, the cloud projection effect is formed, the structure is simple, the cost is low, and the light consumption is reduced.

[ description of the drawings ]

FIG. 1 is a perspective view of a projector lamp according to a first embodiment of the present invention;

FIG. 2 is a front view of the projection assembly of FIG. 1 with the projection assembly removed;

FIG. 3 is a cross-sectional view of FIG. 2 taken along line A-A;

FIG. 4 is an exploded perspective view of the first condensing lens and the fixing base in FIG. 1;

FIG. 5 is an exploded perspective view of the projection assembly of FIG. 1;

FIG. 6 is a schematic view of the refracted ray path of FIG. 1;

fig. 7 is a schematic view of a projector lamp according to a second embodiment of the present invention.

Reference numerals for specific embodiments illustrate:

projecting lamp 100	Base 1	Holding part 11	Splint 12
				Fastener 13	Drive assembly 2	Fixing ear 21	Output shaft 22
Gear 23	Corrugated reflective assembly 3	Corrugated sheet 31	Reflective film 311
				Reflecting surface 3111	Abdication slot 312	Ring gear 313	Fixed part 32
First condenser lens 4	Light emergent part 41	Incident surface 411	Light-emitting surface 412
				Positioning part 42	Light source assembly 5	Lamp panel 51	Connection board 511
Inclined plate 512	Lamp bead 52	Second condenser lens 53	Cavity 531
				Cambered surface 532	Projection assembly 6	Lamp body 61	Diffraction grating sheet 62

[ detailed description ] embodiments

For a better understanding of the objects, structures, features, and functions of the invention, reference should be made to the drawings and detailed description of the invention.

As shown in fig. 1 to 6, a projector 100 according to a first embodiment of the present invention includes a base 1, a driving assembly 2 mounted on the base 1, a corrugated reflective assembly 3 fixed to the driving assembly 2, a first condenser lens 4 located on different sides of the corrugated reflective assembly 3, and a light source assembly 5.

As shown in fig. 1 and 4, the base 1 includes a holding portion 11, a clamping plate 12 engaged with the holding portion 11, and a plurality of fasteners 13 connecting the holding portion 11 and the clamping plate 12. An accommodating space is formed between the holding portion 11 and the clamping plate 12.

As shown in fig. 1, the driving assembly 2 includes at least two fixing lugs 21 and an output shaft 22 located above the fixing lugs 21, and the driving assembly 2 is fixed to the base 1 through the fixing lugs 21 by screws or pins.

As shown in fig. 1 and fig. 2, the corrugated reflection assembly 3 includes a reflection film 311 plated on the top surface of the corrugated sheet 31 by a corrugated sheet 31 and a fixing portion 32 formed by extending downward from the corrugated sheet 31, the surface of the reflection film 311 forms an uneven reflection surface 3111, that is, the surface of the corrugated sheet 31 forms an uneven corrugated surface structure, and the reflection film 311 is a plated film structure plated on the surface of the corrugated sheet 311 by other methods such as electroplating. The plated material can be metal or nonmetal as long as the condition of light reflection can be met. The fixing portion 32 is fixed to the output shaft 22. In the present embodiment, the corrugated sheet 31 has a substantially circular configuration. An uneven fine grain structure is formed on the surface of the corrugated plate 31, the height of the fine grain protrusions is larger than the thickness of the reflecting film 311, an electroplating material is pasted on the uneven fine grain structure to form the reflecting film 311, and the thickness of the reflecting film 311 in the vertical direction is smaller than that of the corrugated plate 31 in the vertical direction. The corrugated sheet can be made of various different materials, and the coating layer can be plated only when the corrugated sheet is required to be plated. Of course, in some embodiments, the reflective surface 3111 may be formed directly on the surface of the corrugated sheet 3 without the structure of the reflective film 311 by plating.

As shown in fig. 2 and 4, the first condenser lens 4 is attached to the base 1. The first condenser lens 4 is located above the reflective film 311, and an included angle between a central axis of the first condenser lens 4 and a central axis of the reflective film 311 is 30 ° to 50 °. The first condenser lens 4 includes a light emitting portion 41 and a positioning portion 42 disposed around the light emitting portion 41, a surface of the light emitting portion 41 facing the emitting surface forms an incident surface 411 of light, an arc surface of the light emitting portion 41 forms an exit surface 412, and the exit surface 412 is substantially an arc-shaped cone-shaped structure protruding in a direction away from the reflective film 311. One side of the positioning portion 42 is flush with the incident surface 411. The positioning portion 42 is located in an accommodating space formed by the holding portion 11 and the clamping plate 12, and the first condenser lens 4 is fixed to the base 1 by the fastening member 13.

As shown in fig. 2 and fig. 3, the light source assembly 5 is fixed to the base 1, and includes a lamp panel 51, and a second condenser lens 53 sleeved on an outer side of the lamp bead 52 and fixed to at least one lamp bead 52 of the lamp panel 51. Lamp plate 51 is including being fixed in the connecting plate 511 of base 1 and connection the hang plate 512 of connecting plate 511, the hang plate 512 orientation the setting of reflectance coating 311 slope. The lamp pearl 52 is fixed in hang plate 512, hang plate 512 with contained angle between the reflectance coating 311 is the acute angle, promptly the axis of lamp pearl 52 with contained angle between the axis of reflectance coating 311 is the acute angle. The second condenser lens 53 includes a cavity 531 formed by the concave arrangement of the direction far away from the lamp bead 52 from the bottom surface thereof, the top surface of the cavity 531 faces the convex arc surface of the lamp bead 52, and the lamp bead 52 protrudes into the cavity 531 and faces the arc surface 532 for irradiation. Light source subassembly 5 is still including being fixed in lamp plate 51's fixing base, second condenser lens 53 is fixed in the fixing base, lamp pearl 52 passes the opening of fixing base and the protruding cavity 531 of stretching into. In this embodiment, the light emitted from the light source assembly 5 does not pass through the corrugated reflective assembly 3, but passes through the first condenser lens 4 after being directly reflected by the reflective surface 3111.

As shown in fig. 5, the cloud atmosphere projection lamp further comprises a projection assembly 6 mounted to the base 1. The projection unit 6 includes a lamp body 61 and a diffraction grating sheet 62 positioned above the lamp body 61. The diffraction grating diffracts the projected one spot of the lamp body 61 to form a plurality of spots.

As shown in FIGS. 1 and 6, the method for forming the cloud effect by the projection lamp comprises the following steps of 1: providing a corrugated sheet 31, wherein the corrugated sheet 31 comprises an uneven corrugated structure forming the surface thereof; step 2: coating a layer of reflecting film 311 on the rugged surface of the corrugated sheet 31, wherein the surface of the reflecting film 311 forms a reflecting surface 3111 with a corrugated structure; the reflective film 311 may be a metal or non-metal material; and step 3: the forming driving assembly 2 drives the corrugated reflection assembly 3 to rotate; and 4, step 4: a molded first condenser lens 4 attached to one side of the reflecting surface 3111; and 5: the molding light source assembly 5 is disposed in an inclined manner toward the reflecting surface 3111, and light emitted by the light source assembly 5 directly passes through the first condensing lens 4 after being reflected by the reflecting surface 3111 to form a cloud projection effect. When the driving assembly 2 drives the corrugated reflection assembly 3 to rotate, light emitted by the lamp beads 52 is collected by the second condensing lens 53, then emitted to the reflection film 311 to be reflected, and then directly passes through the first condensing lens 4 to form a cloud projection effect. In the process of forming the cloud effect, all light rays emitted by the lamp beads 52 do not pass through the corrugated reflection assembly 3, but pass through the first condenser lens 4 directly after being reflected by the reflection film 311. In this embodiment, the included angle between incident ray and the emission light is the acute angle, preferably 45 degrees included angles, and partial reflected light passes perpendicularly and passes the incident surface, and the utilization ratio of focusing is higher like this, and the effect is better.

As shown in fig. 7, the cloud atmosphere projection lamp according to the second embodiment of the present invention has substantially the same structure as the first embodiment, and the difference is that the driving unit 2 includes a gear 23 fixed to the output shaft 22. The corrugated reflection assembly 3 comprises a gear ring 313 arranged around the corrugated plate 31 and a yielding groove 312 vertically penetrating through the corrugated plate 31. The gear 23 is engaged with the ring gear 313. The ring gear 313 and the corrugated sheet 31 may be integrally formed or separately formed. The lamp plate 51 upwards passes the groove of stepping down 312, the hang plate 512 is towards being close to the direction slope of reflectance coating 311 extends, the axis of hang plate with contained angle between the axis of reflectance coating is less than 90. The lamp bead 52 is fixed on the inclined plate 512 and irradiates towards the reflecting film 311. Of course, the corrugated sheet 31 may be made into a structure similar to a flat plate, or may be formed into a slightly concave structure, as long as the lamp bead 52 irradiates the reflective film 311 on one side to form a substantially circular projection area, which is similar to a sky effect.

In summary, the projection lamp of the invention has the following beneficial effects:

(1) include corrugated sheet 31 and plate through ripple reflection assembly 3 and locate the reflection 311 on corrugated sheet 31's surface, the surface of reflectance coating 311 forms unevenness plane of reflection 3111, drive assembly 2 drive ripple reflection assembly 3 rotates, and light source subassembly 5 orientation the light process that plane of reflection 3111 shines directly pass behind the plane of reflection 3111 reflection first collector lens 4, light process directly pass behind the reflectance coating 311 reflection first collector lens 4 forms the effect of cloud projection, simple structure, with low costs, and reduce the light consumption.

(2) The light emitted by the light source component 5 does not pass through the corrugated reflecting piece 3, so that the light consumption is reduced.

(3) The second condensing lens 53 is formed by concavely arranging a cavity 531 from the bottom surface towards the direction far away from the lamp bead 51, the lamp bead 51 protrudes into the cavity 531, light leakage is prevented, the condensing effect is stronger, and the utilization rate of light is provided.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. A projector lamp, comprising:

a base;

a drive assembly mounted to the base;

the corrugated reflection assembly comprises a corrugated sheet and a reflection film plated on the surface of the corrugated sheet, the surface of the reflection film forms an uneven reflection surface, and the driving assembly drives the corrugated reflection assembly to rotate;

the first condenser lens is positioned on one side of the corrugated reflection assembly and is obliquely arranged;

and the light source assembly irradiates towards the reflecting surface, and light rays directly pass through the first condensing lens after being reflected by the reflecting surface.

2. A projector as claimed in claim 1, wherein: the reflecting film is a metal layer or a non-metal layer plated on the surface of the main body part.

3. A projector as claimed in claim 1, wherein: the surface of the corrugated sheet forms an uneven fine grain structure, and the height of the fine grain bulge is larger than the thickness of the reflecting film.

4. A projector as claimed in claim 3, wherein: and the electroplating material is pasted on the uneven fine grain structure to form the reflecting film.

5. A projector as claimed in claim 1, wherein: the thickness of the reflection film in the up-down direction is smaller than that of the corrugated sheet.

6. A projector as claimed in claim 1, wherein: the included angle between the incident light of the light source component and the emergent light reflected by the reflecting surface is 30-50 degrees.

7. A projector as claimed in claim 1, wherein: the light source subassembly includes the lamp plate, is fixed in the lamp pearl and the cover of lamp plate are located the first collector lens in the lamp pearl outside, first collector lens includes and keeps away from its bottom surface orientation the concave formation cavity of establishing of direction of lamp pearl, the protruding income of lamp pearl the cavity.

8. A projector as claimed in claim 1, wherein: the projector lamp further comprises a base, the base comprises a fixing portion, a clamping plate and an accommodating space formed between the fixing portion and the clamping plate, and the positioning portion of the first condensing lens is accommodated in the accommodating space.

9. A projector as claimed in any one of claims 1 to 8, wherein: the light source subassembly still includes the lamp plate and is fixed in the lamp pearl of lamp plate, the lamp plate includes the connecting plate and connects the hang plate of connecting plate, the lamp pearl is fixed in the hang plate, the axis of hang plate with contained angle between the axis of plane of reflection is less than 90.

10. A projector as claimed in any one of claims 1 to 8, wherein: the projection lamp also comprises a projection assembly, the projection assembly comprises a lamp body and a diffraction grating piece positioned above the lamp body, and one light spot projected by the lamp body is diffracted by the diffraction grating piece to form a plurality of light spots.

11. A method for forming a cloud effect by a projection lamp is characterized by comprising the following steps:

step 1: providing a corrugated sheet including a corrugated structure having irregularities forming a surface thereof;

step 2: plating a layer of reflecting film on the rugged surface of the corrugated sheet, wherein the surface of the reflecting film forms a reflecting surface with a corrugated structure;

and step 3: the forming driving assembly drives the corrugated reflection assembly to rotate;

and 4, step 4: a first molded condenser lens mounted on one side of the reflecting surface;

and 5: and the molding light source assembly faces the reflecting surface and is obliquely arranged, and light emitted by the light source assembly directly passes through the first condensing lens after being reflected by the reflecting surface to form a cloud projection effect.

12. A method of forming a cloud effect for a projector as claimed in claim 11, wherein: the plated material spreads along the uneven surface of the corrugated sheet to form the reflective film.